cara blokir situs lewat 7 layer

/ip firewall mangle
add action=add-dst-to-address-list adress-list=facebook \ adress-list-timeout=1m chain=prerouting comment="" content=facebook.com \disabled=no

kedua baru eksekusi facebooknya

/ip firewall filter
add action=drop chain=forward comment="Drop Facebook" disabled=no \
dst-adress-list=facebook